MultiSectionSearchBar

##Goal:

##Usage:

  let searchBar = CustomSearchView.init(frame:CGRect.zero,placeHolder:"PlaceHolder")

  searchBar.searchButtonClicked = {
      str in 
      #Do something about data search#
  }
  //After search, call func:
  searchBar.updateSearchMenuData(dataArray:,titleArray:)
  
  searchBar.searchResultClicked = {
      (titleIndex,dataIndex) in 
      #Do something when search result being selected#
  }

  //If need search when every char inputs
  isNeedSearchWhileInputing = true

Current: Ready to use~

TO DO: Optimize Code and UI.